If you are traveling, here are some riddles to help pass the time! :)

Since holidays seem to be traditionally time for road trips and road trips are typically long, here are some riddles to help you pass the time!

1. A man travels to a town on Friday stays for 2 nights and travels back on Friday,How can this be?

2.What travels around the world but stays in one corner?

3. Used left or right, I get to travel,
Over cobblestone or gravel.
Used up, I vie for sweet success,
Used down, I cause men great duress.

What am I? 

4.A man wants to cross a bridge to get to the other side of the crevice, but there's a problem. The bridge, which takes an hour to walk across, is guarded in the middle by a guard who wakes up every half hour and carries back anybody crossing the bridge back to where he or she came from. How do you get to the other side? 

5. Apparently this is the oldest riddle in history according to Google (because of course, Google knows all.)  
As I was going to St. Ives
I met a man with seven wives.
Each wife had seven sacks,
Each sack had seven cats,
Each cat had seven kits;
Kits, cats, sacks and wives,
How many were going to St. Ives?